Silicon carbide is being the main ceramics material to make aspherical optical reflectors because of its good physical and chemical performance. But, because of the particularity of wheel structure, wheel wear form and wear loss is changing with time going, which limits the wheel wear researchment. In order to make a better research to wheel grinding, the author experimented many researches on diamond grinding blocks in grinding of SiC in the surface grinding machine, finding the relationship between diamond grinding block wear form and wear loss and grinding force, surface quality and surface precision of workpiece, including the principle of diamond grinding block wear form and wear loss changing with time going, the influencing law of surface quality and surface accuracy because of wheel wear. By changing some grinding parameters in the grinding experiments, the author gets the order of the influencing factors of grinding parameters to wheel wear by orthogonal test.
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